Date: Sat, 25 Apr 1998 18:29:23 -0500 From: David Kelly <dkelly@hiwaay.net> To: freebsd-scsi@FreeBSD.ORG Subject: Re: does CAM do this? Message-ID: <199804252329.SAA03691@nospam.hiwaay.net> In-Reply-To: Message from Harlan Stenn <Harlan.Stenn@pfcs.com> of "Sat, 25 Apr 1998 16:37:50 EDT." <23743.893536670@brown.pfcs.com>
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Harlan Stenn writes: > > Sometimes, the tape *must* be written with particular blocksizes for > bootloaders or foreign systems. Or if the tape was written from Fortran. :-( Its not uncommon for the first block to be 80 bytes. After that there is usually a pattern of 2 to 5 blocks all of different sizes (1k to 5k), until the pattern repeats. Then some systems slap (3) EOF's on the tape before writing the next tape file. On Solaris systems one has to specify the "Berkeley" option (ie: /dev/rmt/0b) on the tape device to cause these EOF's to be rolled into a single EOF. So far nobody has complained about the tapes we copy for them only having one EOF between tape files. -- David Kelly N4HHE, dkelly@nospam.hiwaay.net ===================================================================== The human mind ordinarily operates at only ten percent of its capacity -- the rest is overhead for the operating system. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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